Fair Value Measurements (Assets And Liabilities Measured At Fair Value On Recurring Basis) (Details) - USD ($) $ in Millions	12 Months Ended
	Nov. 30, 2016	Nov. 30, 2015	May 31, 2015
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	$ 1.8	$ 0.5
Foreign Currency Transaction Gain (Loss), before Tax	0.0	(1.1)
Business Combination, Contingent Consideration, Liability	28.9	27.1	$ 27.7
Fair Value, Measurements, Recurring [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Cash and cash equivalents	118.4	112.6
Insurance contracts	106.0	104.1
Bonds and other long-term investments	10.2	8.5
Interest rate derivatives		2.5
Foreign currency derivatives	4.9	3.4
Total	239.5	231.1
Foreign currency derivatives	5.4	0.7
Interest rate derivatives	1.2	0.6
Total	35.5	28.4
Business Combination, Contingent Consideration, Liability	28.9	27.1
Fair Value, Measurements, Recurring [Member] | Level 1 [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Cash and cash equivalents	118.4	112.6
Insurance contracts	0.0	0.0
Bonds and other long-term investments	10.2	8.5
Interest rate derivatives		0.0
Foreign currency derivatives	0.0	0.0
Total	128.6	121.1
Foreign currency derivatives	0.0	0.0
Interest rate derivatives	0.0
Total	0.0	0.0
Fair Value, Measurements, Recurring [Member] | Level 2 [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Cash and cash equivalents	0.0	0.0
Insurance contracts	106.0	104.1
Bonds and other long-term investments	0.0	0.0
Interest rate derivatives		2.5
Foreign currency derivatives	4.9	3.4
Total	110.9	110.0
Foreign currency derivatives	5.4	0.7
Interest rate derivatives	1.2	0.6
Total	6.6	1.3
Fair Value, Measurements, Recurring [Member] | Level 3 [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Cash and cash equivalents	0.0	0.0
Insurance contracts	0.0	0.0
Bonds and other long-term investments	0.0	0.0
Interest rate derivatives		0.0
Foreign currency derivatives	0.0	0.0
Total	0.0	0.0
Foreign currency derivatives	0.0	0.0
Interest rate derivatives	0.0
Total	28.9	27.1
Business Combination, Contingent Consideration, Liability	$ 28.9	$ 27.1